Try not to set your limit on what someone else says about themselves. You must make that call. If you find someone who feels the same, hopefully they came to their conclusion the same way.
Age really isn't important. Maturity is. One reason that you might not feel you have anything to talk about with a younger or older person may be that you just aren't that inquisitive, but I've known a lot of young people who have the gift on making good conversation.
Personally, I am always open to the option of being with any age that suits me (and my playmate).
My cock doesn't look 51 years old...but then, it's been moisturized more often than any other part of my bod.
Male D